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| Content Provider | PubMed Central |
|---|---|
| Author | Huang, Yazi Zhao, Beilei Liu, Yahan Wang, Nanping |
| Copyright Year | 2014 |
| Abstract | Lipid phosphate phosphohydrolase 1 (LPP1), a membrane ectophosphohydrolase regulating the availability of bioactive lipid phosphates, plays important roles in cellular signaling and physiological processes such as angiogenesis and endothelial migration. However, the regulated expression of LPP1 remains largely unknown. Here, we aimed to examine a role of peroxisome proliferator-activated receptor γ (PPAR γ ) in the transcriptional control of LPP1 gene expression. In human umbilical vein endothelial cells (HUVECs), quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) demonstrated that activation of PPAR γ increased the mRNA level of LPP1. Chromatin immunoprecipitation assay showed that PPAR γ binds to the putative PPAR-responsive elements (PPREs) within the 5′-flanking region of the human LPP1 gene. Genomic fragment containing 1.7-kilobase of the promoter region was cloned by using PCR. The luciferase reporter assays demonstrated that overexpression of PPAR γ and rosiglitazone, a specific ligand for PPAR γ , could significantly upregulate the reporter activity. However, site-directed mutagenesis of the PPRE motif abolished the induction. In conclusion, our results demonstrated that PPAR γ transcriptionally activated the expression of LPP1 gene in ECs, suggesting a potential role of PPAR γ in the metabolism of phospholipids. |
| Related Links | http://dx.doi.org/10.1155/2014/740121 |
| Starting Page | 740121 |
| File Format | |
| ISSN | 16874765 |
| e-ISSN | 16874765 |
| Journal | PPAR Research |
| Volume Number | 2014 |
| Language | English |
| Publisher | Hindawi Publishing Corporation |
| Publisher Date | 2014-01-01 |
| Access Restriction | Open |
| Rights Holder | Hindawi Publishing Corporation |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Drug Discovery Pharmacology (medical) |
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